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Contains sites for manufacturers of scientific laboratory equipment, devices, instruments and non-consumable supplies. These products are those typically found in scientific, educational, research, quality assurance, quality control and government laboratories. Manufacturers who also distribute their own and/or other products are listed in this category. Distributors of scientific laboratory equipment are listed in Science/Instruments_and_Supplies/Distributors. Manufacturers and distributors of equipment, devices instruments and supplies intended for use in large scale and or industrial manufacturing are listed in Business/ .
English language sites only, please. Submit sites in other languages to the appropriate World/ category.

Distributors of scientific laboratory equipment are listed in Science/Instruments_and_Supplies/Distributors.

Submit industrial sites to the appropriate category in /Business.

Manufacturers of centrifuges for use in laboratories.
These sites are from companies that manufacture or sell primarily chart recorders and/or data loggers; either mechanical, electrical or electronic. 10/22/00
These sites are from companies that make, manufacture, distribute or sale primarily glass devices for the lab. Such as glass beakers, funnels, distilling and reflux products etc. This category also includes lab glass blowing and lab glass design firms. Custom glass shops and individual craftsman are also included. 10/22/00
These sites are from companies that make, manufacture, distribute or sale primarily laboratory grade tubing and fittings and other devices normally used with tubing. Tubing or tubing products made of natural or man-made polymers, or metal will be listed here. Here you will find any sort of tubing, clamps, pumps, fittings for carrying liquid gas or slurries within, between, to or from the lab or lab instruments. 07/02/00
These sites are from companies that make, manufacture, distribute or sale primarily laboratory load cells and ancillary equipment, such as mounts and sensors. Which may include specialized weighing devices. 07/02/00
These sites are from companies that make, manufacture, distribute or sale primarily electronics research, or mechanical lab research suppliers. This category will not contain sites that list only field service equipment. Only research grade instrumentation, laboratory quality instrumentation or suppliers will be listed here.
Please, English language sites only!
These sites are from companies that make, manufacture, distribute or sale primarily medical research, medical diagnostic or clinical lab equipment and supplies. This category does not include MRI, or radiology sites.
All surgical instrument sites should be submitted to Business/Industries/Healthcare/Products_and_Services/Surgical_Products/Surgical_Instruments/.

Please, English language sites only!

This category includes, but is not limited to sites that make, manufacture, distribute or sell microscopes and microscope supplies. Three sub-categories under this listing include light, scanning and electron microscope products and services. 07/02/00
This category includes webpages about companies that make, manufacture, distribute or sell optical equipment components for the lab, such as mirrors, lenses, and filters. Optical laboratory equipment may include optical inspection equipment, optical benches, photonics, machine vision optics, electro-optical laboratory equipment, unmounted and mounted optics for optical benches, optical supplies and optical cleaning supplies. This category does not include lasers, unless the site submitted makes manufactures or distributes or supplies these products directly to be usable in a laboratory setting.
This category is for English language sites only. Submit other language sites to the appropriate World category.
Include sites that tell about companies, which sell optical equipment components for use in carrying out scientific experiments and research.
This category does not include microscopes, spectrophotometers, and telescopes or binoculars.
Opthalmology equipment should be placed in Business/Healthcare/Products_and_Services/Ophthalmology/
Sites are for companies that manufacture, distribute or sell pH meters, ion selective probes and meters, dissolved oxygen sensors and/or BOD devices.
Please submit only websites that have English language content to this category. If your site is in a language other than English, please submit it to the appropriate category of World.
This section includes but is not limited to sites that make, manufacture, distribute, repair, calibrate or sell pipettors and dispensing devices, automatic and/or manual, including liquid metering systems.
Please, English language sites only!
These sites are from companies that make, manufacture, distribute or sale primarily general-purpose pressure sensors and/or transducers or flow sensors and/or transducers. This would include liquid as well and pneumatic devices such as mechanical and electrical gauges. Mechanical and electrical pressure and flow regulators are also included here. Non industrial scale devices are listed here, scientific, laboratory type measuring devices only. Does not include data loggers or chart recorders generally.
Please English language sites only!
Instruments and related products for measuring and detecting ionizing radiation or radiological dose, including companies that make, manufacture, distribute or sell these devices. Producers and distributors of isotopes or radiological sources for lab or research purposes are not included, but may be found in Science/Instruments_and_Supplies/Isotopes. Instruments relying on radiation sources for purposes such as metrology and well-logging are included in categories related to the application for which the instrument is used, not here.
Please, English Language sites only !
These sites are from companies that make, manufacture, distribute or sell primarily lab instruments, services or supplies that can be used with or for refrigeration or cold storage of laboratory materials, samples or supplies.
Please, English language sites only!
These sites are from companies that make, manufacture, distribute or sale primarily all types of spectroscopy and spectroscopy related equipment, parts, tools, repair, calibration, and supplies. Including UV, VIS, IR and FT instruments. This category does not include NMR related "stuff".
Please, English language sites only!

Your site must have something to do with the scientific process of spectroscopy to be listed here. No industrial scale devices will be considered.

These sites are from companies that make, manufacture, distribute or sell general purpose temperature sensors including transistorized temperature sensors and thermocouples.
Please, English language sites only!

This category does not list sites from companies that sell industrial scale devices, HVAC or control systems for industrial production.

This section includes, but is not limited to sites that salvage, save, recondition, rebuild, distribute or sale used and/or surplus lab instruments as their main product or service.
No industrial sites will be listed in this category.
These sites are from companies that make, manufacture, distribute or sell equipment, supplies or ancillary devices for the production of a laboratory vacuum.
Please, English language sites only!

This category will not include sites from companies that deal primarily with industrial scale devices. Or the production of semiconductor material on an industrial scale.

These sites are for companies that manufacture, distribute or sell analytical balances, lab scales, triple beam scales, force or mass measuring devices.
Please submit your site to the most appropriate category. Submitting to an incorrect category may delay review of your site.
Please submit only websites that have English language content to this category. If your site is in a language other than English, please submit it to the appropriate category of World.